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Patent US2769772A successfully refreshed from Google Patents.
US2769772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for handling of carbonaceous or reactant materials
Assignee: Phillips Petroleum Co
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Filing: 1952-04-16
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Granted: 1956-11-06
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Expires: 1972-04-16
Abstract
No abstract record available.
Inventors
- 👤 Paul L Gomory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:27
CPC Classifications
C; C10; C10G; C10G9/00; C10G9/34; C10G9/36; C10G9/14; C10G9/18; C10G9/20; Y; Y10; Y10S; Y10S48/00; Y10S48/05; Y10S526/00; Y10S526/918
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
74 words
IN A PROCESS IN WHICH A STREAM OF CARBONACEOUS REACTANT IS PASSED THROUGH A HEATING ZONE HEATED BY RADIANT HEATING, THE STEPS OF SURROUNDING SAID STREAM WITH A HEATCARRYING MEDIUM OVER A SUBSTANTIAL LENGTH OF PASSAGE OF SAID STREAM THROUGH SAID ZONE, IMPARTING HEAT TO SAID MEDIUM IN SAID ZONE OVER A SUBSTANTIAL LENGTH OF SAID STREAM AND SIMULTANEOUSLY CAUSING THE HEATED MEDIUM TO PASS INTO SAID STREAM, ALSO OVER A SUBSTANTIAL LENGTH THEREOF.
Claim 2
Dependent Claim
74 words
IN A PROCESS IN WHICH A STREAM OF CARBONACEOUS REACTANT IS PASSED THROUGH A HEATING ZONE HEATED BY RADIANT HEATING, THE STEPS OF SURROUNDING SAID STREAM WITH A HEATCARRYING MEDIUM OVER A SUBSTANTIAL LENGTH OF PASSAGE OF SAID STREAM THROUGH SAID ZONE, IMPARTING HEAT TO SAID MEDIUM IN SAID ZONE OVER A SUBSTANTIAL LENGTH OF SAID STREAM AND SIMULTANEOUSLY CAUSING THE HEATED MEDIUM TO PASS INTO SAID STREAM, ALSO OVER A SUBSTANTIAL LENGTH THEREOF.
Claim 3
Dependent Claim
136 words
HEATING APPARATUS COMPRISING IN COMBINATION: A FURNACE COMPRISING A RADIANT HEATING ZONE AND A CONVECTION ZONE; AN IMPERVIOUS SOAKING COIL IN SAID CONVECTION ZONE; AN IMPREVIOUS PREHEAT COIL IN SAID RADIANT HEATING ZONE; A PERVIOUS CONDUIT BETWEEN SAID SOAKING COIL AND SAID PREHEATING COIL AND CONNECTING THE INTERIORS OF SAID COILS WITH EACH OTHER; A TUBE ENCLOSING SAID CONDUIT AND FORMING AN ANNULAR SPACE AROUND SAID CONDUIT; A COUDUIT COMMUNICATING WITH SAID ANNULAR SPACE; MEANS FOR SUPPLYING REACTANT TO SAID PREHEAT COIL; MEANS FOR SUPPLYING A FLUID HEAT CARRIER TO SAID TUBE ENCLOSING SAID PERVIOUS CONDUIT; MEANS, INDEPENDENT OF SAID FURNACE, FOR SUPPLYING HEAT TO SAID HEAT CARRIER; MEANS FOR WITHDRAWIGN REACTED MATERIAL FROM SAID SOAKING COIL; AND MEANS FOR RETURNING HEAT CARRIER FROM SAID TUBE TO SAID MEANS FOR SUPPLYING HEAT TO SAID HEAT CARRIER.
Claim 4
Dependent Claim
136 words
HEATING APPARATUS COMPRISING IN COMBINATION: A FURNACE COMPRISING A RADIANT HEATING ZONE AND A CONVECTION ZONE; AN IMPERVIOUS SOAKING COIL IN SAID CONVECTION ZONE; AN IMPREVIOUS PREHEAT COIL IN SAID RADIANT HEATING ZONE; A PERVIOUS CONDUIT BETWEEN SAID SOAKING COIL AND SAID PREHEATING COIL AND CONNECTING THE INTERIORS OF SAID COILS WITH EACH OTHER; A TUBE ENCLOSING SAID CONDUIT AND FORMING AN ANNULAR SPACE AROUND SAID CONDUIT; A COUDUIT COMMUNICATING WITH SAID ANNULAR SPACE; MEANS FOR SUPPLYING REACTANT TO SAID PREHEAT COIL; MEANS FOR SUPPLYING A FLUID HEAT CARRIER TO SAID TUBE ENCLOSING SAID PERVIOUS CONDUIT; MEANS, INDEPENDENT OF SAID FURNACE, FOR SUPPLYING HEAT TO SAID HEAT CARRIER; MEANS FOR WITHDRAWIGN REACTED MATERIAL FROM SAID SOAKING COIL; AND MEANS FOR RETURNING HEAT CARRIER FROM SAID TUBE TO SAID MEANS FOR SUPPLYING HEAT TO SAID HEAT CARRIER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |